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Resource | Research and Data | Food Security Trends in USDA SNAP Participation Rates: Fiscal Years 2016 to 2020

This report is the latest in a series on Supplemental Nutrition Assistance Program (SNAP) participation rates, which estimate the proportion of people eligible for benefits under federal income and asset rules to those who actually participate in the program. Because the coronavirus COVID-19 public health emergency affected data collection starting in March 2020, this summary covers only the pre-pandemic period of October 2019 through February 2020.

12/07/2022
Resource | Research and Data | Food/Nutrient Analysis Indicators of Diet Quality, Nutrition, and Health for Americans by Program Participation Status, 2011–2016: USDA NSLP Report

This study used 2011–2016 National Health and Nutrition Examination Survey (NHANES) data to examine the relationship between estimated program participation, diet quality, indicators of nutrition and health, food consumption patterns, and nutrient intakes. 

06/08/2022
Resource | Research and Data | General/Other Completed Peer Review Plans and Reports

List of FNS completed peer review plans and reports. 

04/05/2022
Resource | Research and Data | General/Other State of Origin for USDA Foods

The State of Origin data report for each fiscal year includes information on states where USDA purchased foods in that year. Learn where your USDA Foods are likely to come from, and what the top food is in your state!

02/24/2022
Resource | Research and Data State Level Estimates of Infants and Children at or Below 185 Percent of Poverty

Estimates prepared from the American Community Survey (ACS) and the decennial Census and used in the Special Supplemental Nutrition Program for Women, Infants and Children (WIC) funding formula to determine states' fair shares of WIC food funds.

11/19/2019
Resource | Research and Data | Participation Rates Reaching Those in Need: Estimates of State SNAP Participation Rates in FY 2016

This report – part of an annual series – presents estimates, by state, of the percentage of eligible persons and working poor individuals who participated in SNAP during an average month in FY 2016 and in the two previous fiscal years.

03/13/2019
Resource | Research and Data The Reaching the Working Poor and Poor Elderly Study: What We Learned and Recommendations for Future Research

To increase its understanding of the reasons for nonparticipation, the Food and Nutrition Service(FNS) of the U.S. Department of Agriculture (USDA) contracted with Mathematica Policy Research, Inc. (MPR) to conduct a study of nonparticipation by low-income working and elderly households, entitled Reaching the Working Poor and Poor Elderly. This report summarizes what was learned and offers recommendations for how a national survey of the reasons for nonparticipation in the FSP should be designed and fielded.

12/01/1999
Resource | Research and Data | Participation Rates Trends in FSP Participation Rates: Focus on September 1997

The Food Stamp Program helps needy families purchase food so that they can maintain a nutritious diet. Families are eligible for the program if their financial resources fall below certain income and asset thresholds. However, not all eligible families participate in the program. Some choose not to, while others do not know they are eligible. The participation rate—the ratio of the number of participants to the number of eligibles—reveals the degree to which eligible families participate.

11/01/1999
Resource | Research and Data | Assessing/Improving Operations Options For A National Data To Track Participation in Federal Means-Tested Public Assistance Programs: Report to Congress

This report responds to PL 105-379, which mandated the USDA  examine options for the design, development, implementation and operation of a national database to track participation in federal means-tested public assistance programs.

11/01/1999
Resource | Research Plans Medicaid Policies and Eligibility for WIC

The Food and Nutrition Service (FNS), which administers the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC), asked Mathematica Policy Research to examine more closely Medicaid's role in adjunct eligible for WIC and do not have to show further proof of income to qualify.

10/01/1999
Page updated: May 22, 2025